Campbell Ritchie (59) [Avatar] Offline
Page 258, halfway down
. . . any other additional invocation on the Subscription has to be a NOP.
It is not clear what a NOP is. Is it a no‑operation statement? I think that abbreviation should be explained. How is NOP pronounced? Is it is pronouced as enn-o-pee, then it would be described as an N‑O‑P